Dr. Sing-Yi Feng graduated from the Pennsylvania State University/Jefferson Medical College’s 6 year premedicine/medicine program located in Philadelphia, PA. She did her pediatric residency at Lutheran General Children’s Hospital in Park Ridge, IL and stayed an extra year as chief resident. She then moved to Dallas, completed the pediatric emergency medicine fellowship at UT Southwestern Medical Center at Dallas/Children’s Medical Center of Dallas, and stayed to do a Medical Toxicology Fellowship at Parkland Memorial Hospital. She is now an associate professor at UT Southwestern Medical Center and works at the emergency departments at Children’s Medical Center at Dallas and Plano. She is also a medical toxicologist associated with the North Texas Poison Center located at Parkland Memorial Hospital.


Medical School
Jefferson Medical College (1998)
Lutheran General Hospital (2001), Pediatrics
Lutheran General Hospital (2002), Pediatrics
UT Southwestern - Children's Medical Center (2005), Pediatric Emergency Medicine
Parkland Health and Hospital System (2007), Medical Toxicology

Specialty Areas

Clinical Interest

  • Adverse Drug Reactions
  • Pediatric Toxicology
  • Sedation
  • Substance Abuse Treatment
  • Research Interest

    • Toxicology


    Featured Publications LegendFeatured Publications

    Comparison of Unintentional Exposures to Codeine and Hydrocodone Reported to Texas Poison Centers.
    Day L, Kleinschmidt K, Forrester MB, Feng SY J Emerg Med 2016 Feb
    Cheese: an old drug in a new wrapper.
    Maxwell JC, Coleman JJ, Feng SY, Goto CS, Tirado CF Drug Alcohol Depend 2012 Nov 126 1-2 161-7
    Benzonatate toxicity in a teenager resulting in coma, seizures, and severe metabolic acidosis.
    Thimann DA, Huang CJ, Goto CS, Feng SY J Pediatr Pharmacol Ther 2012 Jul 17 3 270-3
    Dangerous Drug Interactions
    Velez LI, Feng SY, Goto CS, Benitez FL Emergency Medicine Reports 2011 Sep 32 249-260
    Cardiotoxicity associated with the synthetic cannabinoid, K9, with laboratory confirmation.
    Young AC, Schwarz E, Medina G, Obafemi A, Feng SY, Kane C, Kleinschmidt K The American journal of emergency medicine 2011 Jul
    Good outcomes despite high urinary arsenic concentrations from overdose with crabgrass killer.
    Roth B, Schwarz E, Feng SY, Young A J Med Toxicol 2011 Jun 7 2 158-61
    A dispensing error resulting in possible fluoxetine overdose and subsequent discontinuation syndrome in a child.
    Velez LI, Feng SY, Neerman MF Clin Pediatr (Phila) 2010 Nov 49 11 1072-4
    Crotalidae polyvalent immune Fab for the treatment of pediatric crotaline envenomation.
    Goto CS, Feng SY Pediatr Emerg Care 2009 Apr 25 4 273-9; quiz 280-2
    How to prevent harmful drug interactions
    Goto CS, Feng SY, Wiebe RA Emergency Medicine 2008 Dec 40 12
    Hymenoptera Envenomation: Bees, Wasps, And Ants
    Feng, SY, Goto C Pediatric Emergency Medicine Practice 2008 5 6


    Featured Books Legend Featured Books

    Honors & Awards

    • Most Valuable Personnel
      Lutheran General Hospital, Park Ridge, IL (2001)
    • Dean's List
      Penn State University Eberly College of Science (1992-1994)

    Professional Associations/Affiliations

    • American Academy of Pediatrics, Council of Injury, Violence, and Poison Prevention (2012)
    • American Academy of Pediatrics, Emergency Medicine Section (2008)
    • American Association of Clinical Toxicologists, Pediatric Special Interest Group (2005)
    • American College of Medical Toxicologists (2005)
    • American Medical Association (1998-2008)
    • American College of Emergency Physicians